The teenager arrested after last week's armed robbery at the House of Pies on Westheimer has been charged with a capital murder in an incident the same night.

Marquis Davis, 19, of Houston faces one count of aggravated robbery with a deadly weapon related to a holdup in which shots were fired at the popular west Houston restaurant around 10 p.m. Thursday.

The teen also is accused of fatally shooting 31-year-old Stanly Babu Kumbanattel, 31, just after 8:30 p.m. Thursday at the Little Nell Apartments, 8565 West Sam Houston Parkway South.

According to a criminal complaint filed on Saturday in the Harris County District Clerk's office, Davis is accused of killing Kumbanattel in the process of attempting to rob him.

The shootings, 90 minutes apart, are separated by a distance of seven miles.

In the House of Pies heist, diners and workers were forced to the ground as two robbers collected cash and cell phones from them. There were no reports of injuries.

A statement released Monday by Kumbanattel's family said he was born in Houston and has a younger sister. He also is survived by his parents, who live in Missouri City.

Kumbanattel attended Alief schools and continued his studies in India from 1993 to 1997. He completed high school in 2000 and was employed at the Memorial Hermann laboratory for a decade while attending Houston Community College and studying computer engineering at the University of Houston. Last year, he began studying engineering at the University of Texas at Dallas.

"Stanly poured all of himself into his family and friends," the statement said. "He will always be remembered as the man who gave relentlessly and fought for the ones he cared about."

Kumbanattel would have turned 32 the day after he died.

Davis remains in the Harris County jail. He wasn't granted bail on the murder count.

According to KHOU, Davis' father, Marquis Davis Sr., said his son is innocent of murder. The teen gave a friend a lift, the elder Davis said, and was surprised when the passenger robbed and shot Kumbanattel. Davis went on to say that the friend then "forced" his son to shoot up and rob the House of Pies, according to the TV station.

The younger Davis – known by the nickname "Dootie" – has a record of arrests dating back to at least 2010, when he was a juvenile offender detained by the Texas Youth Commission, court records show.

In 2012, the teen was apprehended on misdemeanor truancy. He was convicted last year of misdemeanor theft and was sentenced in September to up to 35 days in jail. In November, he was convicted and sentenced for another misdemeanor related to marijuana possession in a drug-free zone.